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Cheap flights from St. Louis to Sofia from $651

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
6:50 pm - 10:55 pmSTL  Lambert-St Louis-SOF Sofia
20h 05m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
6:25 am - 1:45 pmSOF  Sofia-STL Lambert-St Louis
15h 20m1 stop Frankfurt am Main
$651Lufthansa
Wed, Nov 25 - Fri, Mar 12
Lufthansa Logo
1:08 pm - 10:55 pmSTL  Lambert-St Louis-SOF Sofia
25h 47m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
6:25 am - 1:45 pmSOF  Sofia-STL Lambert-St Louis
15h 20m1 stop Frankfurt am Main
$651Lufthansa
Tue, Nov 24 - Fri, Mar 12
Lufthansa Logo
1:08 pm - 6:20 pmSTL  Lambert-St Louis-SOF Sofia
21h 12m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
6:25 am - 1:45 pmSOF  Sofia-STL Lambert-St Louis
15h 20m1 stop Frankfurt am Main
$652Lufthansa
Wed, Nov 25 - Fri, Mar 12
Multiple Airlines Logo
1:08 pm - 6:20 pmSTL  Lambert-St Louis-SOF Sofia
21h 12m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Multiple Airlines Logo
2:10 pm - 3:26 pmSOF  Sofia-STL Lambert-St Louis
33h 16m2 stops Frankfurt am Main Toronto Pearson Intl
$655Multiple Airlines
Tue, Nov 24 - Thu, Mar 11
Multiple Airlines Logo
6:50 pm - 6:20 pmSTL  Lambert-St Louis-SOF Sofia
15h 30m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:25 am - 3:26 pmSOF  Sofia-STL Lambert-St Louis
17h 01m2 stops Frankfurt am Main Toronto Pearson Intl
$655Multiple Airlines
Wed, Nov 25 - Fri, Mar 12
Multiple Airlines Logo
6:50 pm - 6:20 pmSTL  Lambert-St Louis-SOF Sofia
15h 30m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:25 am - 3:26 pmSOF  Sofia-STL Lambert-St Louis
17h 01m2 stops Frankfurt am Main Toronto Pearson Intl
$655Multiple Airlines
Mon, Nov 23 - Fri, Mar 12
United Airlines Logo
11:29 am - 1:15 pmSTL  Lambert-St Louis-SOF Sofia
17h 46m2 stops Newark Munich Franz Josef Strauss
United Airlines Logo
6:00 am - 4:40 pmSOF  Sofia-STL Lambert-St Louis
18h 40m2 stops Munich Franz Josef Strauss Newark
$663United Airlines
Tue, Nov 17 - Fri, Mar 12
United Airlines Logo
11:29 am - 1:15 pmSTL  Lambert-St Louis-SOF Sofia
17h 46m2 stops Newark Munich Franz Josef Strauss
United Airlines Logo
6:00 am - 4:40 pmSOF  Sofia-STL Lambert-St Louis
18h 40m2 stops Munich Franz Josef Strauss Newark
$663United Airlines
Mon, Nov 23 - Fri, Mar 12
Air Canada Logo
4:05 pm - 1:25 pmSTL  Lambert-St Louis-SOF Sofia
37h 20m2 stops Toronto Pearson Intl Frankfurt am Main
Air Canada Logo
6:00 am - 3:26 pmSOF  Sofia-STL Lambert-St Louis
41h 26m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$686Air Canada
Sun, Nov 22 - Fri, Mar 12
Air Canada Logo
8:30 am - 1:25 pmSTL  Lambert-St Louis-SOF Sofia
20h 55m3 stops Chicago O'Hare Intl Toronto Pearson Intl Frankfurt am Main
Air Canada Logo
6:25 am - 3:26 pmSOF  Sofia-STL Lambert-St Louis
17h 01m2 stops Frankfurt am Main Toronto Pearson Intl
$698Air Canada
Wed, Nov 25 - Fri, Mar 12

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United Airlines flights from St. Louis to Sofia

Our best United Airlines deals on St. Louis to Sofia flight tickets
United Airlines
Nov 23
STL11:29 amLambert-St Louis
17h 46m
2 stops
SOF1:15 pmSofia
Mar 12
SOF6:00 amSofia
18h 40m
2 stops
STL4:40 pmLambert-St Louis
$663
United Airlines
Nov 23
STL1:08 pmLambert-St Louis
25h 47m
2 stops
SOF10:55 pmSofia
Mar 12
SOF6:25 amSofia
15h 20m
1 stop
STL1:45 pmLambert-St Louis
$679
United Airlines
Nov 28
STL6:50 pmLambert-St Louis
34h 25m
2 stops
SOF1:15 pmSofia
Mar 12
SOF6:00 amSofia
23h 13m
2 stops
STL9:13 pmLambert-St Louis
$691

Air Canada flights from St. Louis to Sofia

Our best Air Canada deals on St. Louis to Sofia flight tickets
Air Canada
Nov 22
STL4:05 pmLambert-St Louis
37h 20m
2 stops
SOF1:25 pmSofia
Mar 12
SOF6:00 amSofia
41h 26m
2 stops
STL3:26 pmLambert-St Louis
$686
Air Canada
Nov 25
STL8:30 amLambert-St Louis
20h 55m
3 stops
SOF1:25 pmSofia
Mar 12
SOF6:25 amSofia
17h 01m
2 stops
STL3:26 pmLambert-St Louis
$698
Air Canada
Nov 25
STL8:30 amLambert-St Louis
20h 55m
3 stops
SOF1:25 pmSofia
Mar 12
SOF6:25 amSofia
19h 41m
3 stops
STL6:06 pmLambert-St Louis
$726

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Sofia that are best for you.

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Route

Depart

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Price

Cheapest round-trip

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Wed 11/25

6:50 pm-10:55 pm

2 stops20h 05m

Sofia

Fri 3/12

6:25 am-1:45 pm

1 stop15h 20m

$651

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Tue 11/24

1:08 pm-10:55 pm

2 stops25h 47m

Sofia

Fri 3/12

6:25 am-1:45 pm

1 stop15h 20m

$651

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Wed 11/25

1:08 pm-6:20 pm

2 stops21h 12m

Sofia

Fri 3/12

6:25 am-1:45 pm

1 stop15h 20m

$652

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Tue 11/24

1:08 pm-6:20 pm

2 stops21h 12m

Sofia

Thu 3/11

2:10 pm-3:26 pm

2 stops33h 16m

$655
Quickest round-trip

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Wed 11/25

6:50 pm-6:20 pm

2 stops15h 30m

Sofia

Fri 3/12

6:25 am-3:26 pm

2 stops17h 01m

$655

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Mon 11/23

6:50 pm-6:20 pm

2 stops15h 30m

Sofia

Fri 3/12

6:25 am-3:26 pm

2 stops17h 01m

$655

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Tue 11/17

11:29 am-1:15 pm

2 stops17h 46m

Sofia

Fri 3/12

6:00 am-4:40 pm

2 stops18h 40m

$663

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Mon 11/23

11:29 am-1:15 pm

2 stops17h 46m

Sofia

Fri 3/12

6:00 am-4:40 pm

2 stops18h 40m

$663

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Sun 11/22

4:05 pm-1:25 pm

2 stops37h 20m

Sofia

Fri 3/12

6:00 am-3:26 pm

2 stops41h 26m

$686

St. LouisSofia

STL Lambert-St Louis - SOF Sofia

STLSOF

Lambert-St Louis

Wed 11/25

8:30 am-1:25 pm

3 stops20h 55m

Sofia

Fri 3/12

6:25 am-3:26 pm

2 stops17h 01m

$698

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sofia from

How to get the cheapest flight ticket from St. Louis to Sofia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from St. Louis is in January. Flight prices, which tend to average around $528, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Sofia from St. Louis during February instead. Flights to Sofia in February, while not as cheap as those in January, still average around $567.

Can stopping save me money on St. Louis to Sofia flights?

You could potentially save up to 44% on your flight if you consider stops on a St. Louis to Sofia flight.

When to book flights from St. Louis to Sofia

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Sofia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Sofia (STL to SOF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Sofia

Best Price Found

$651

Fastest flight time

20h 05m

Direct flights

None
The best flight deal from St. Louis to Sofia found on momondo in the last 72 hours is $651
The fastest flight from St. Louis to Sofia takes 20h 05m
There are no direct flights from St. Louis to Sofia. There are no popular flight routes from St. Louis to Sofia.
Search flight deals

Frequently asked questions about flying from St. Louis to Sofia

  • How far is Lambert-St Louis to Sofia by plane?

    A flight from Lambert-St Louis to Sofia will travel around 5441.0 mi. 20h 05m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Sofia Airport?

    Prices for flights from Lambert-St Louis Airport to Sofia Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Sofia Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Sofia Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Sofia Airport.

  • What documentation or ID do you need to fly to Sofia Airport?

    The travel and health documents you'll need for your trip to Sofia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sofia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Sofia?

Best airlines flying from St. Louis to Sofia

Compare and see reviews for airlines that fly from St. Louis to Sofia with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $557Free CancellationRating
7.4
10,227 reviews
Search United Airlines flights
LufthansaPriceFrom $560Free CancellationRating
6.8
8,235 reviews
Search Lufthansa flights
Air CanadaPriceFrom $1,108Free CancellationRating
7.1
11,649 reviews
Search Air Canada flights

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Borovets
Velingrad
Sandanski

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Can I find flights from St. Louis to Sofia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sofia from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Sofia?

Once all potential St. Louis to Sofia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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